<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>js基础-if阶梯判断</title>
  <link rel="stylesheet" href="../css/common.css">
</head>

<body>

  <div>
    成绩转换：
    <input type="text" id="txtScore">
    <button id="btnScore">转换</button>
    <span id="spScore"></span>
  </div>

  <hr>

  <div>
    年份：<input type="text" id="txtYear">
    月份：<input type="text" id="txtMonth">
    <button id="btnDay">计算天数</button>
    <span id="spDay"></span>
  </div>

  <script src="js/common.js"></script>
  <script src="js/h09.js"></script>
</body>

</html>